fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=posixaio, iodepth=8
...
fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=posixaio, iodepth=8
Starting 3 threads
Threads: 3
Threads: 3
Threads: 3: [mmF] [42.9% done] [  6007/ 80577 kb/s] [eta 00m:04s]
Threads: 3: [mmF] [50.0% done] [  2643/ 31722 kb/s] [eta 00m:04s]
Threads: 3: [mmF] [55.6% done] [  2737/ 15297 kb/s] [eta 00m:04s]
Threads: 3: [mmF] [54.5% done] [  2538/  1919 kb/s] [eta 00m:05s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=3003, got signal=6
Threads: 2: [m_F] [63.6% done] [  1732/ 20667 kb/s] [eta 00m:04s]
Threads: 2: [F_F] [100.0% done] [   288/  6830 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_V] [70.0% done] [ 16099/     0 kb/s] [eta 00m:06s]
Threads: 2: [V_V] [93.8% done] [ 68904/     0 kb/s] [eta 00m:01s]
Threads: 2: [V_V] [100.0% done] [ 59333/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=3002
  read : io=100MiB, bw=6,293KiB/s, runt= 16660msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  399, avg=38.86, stdev=72.48
    bw (KiB/s) : min=   25, max=38212, per=75.14%, avg=10229.47, stdev=13795.72
  write: io=85,044KiB, bw=6,312KiB/s, runt= 13795msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  279, avg= 2.39, stdev=17.51
    bw (KiB/s) : min=    0, max=18711, per=52.30%, avg=10310.40, stdev=7800.73
  cpu          : usr=10.35%, sys=4.51%, ctx=7943
  IO depths    : 1=19.5%, 2=39.3%, 4=26.3%, 8=14.9%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=49.8%, 4=10.8%, 10=19.7%, 20=5.1%, 50=2.0%, 100=2.4%
     lat (msec): 250=8.2%, 500=1.9%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=3003
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=1.0%, 2=82.7%, 4=4.3%, 8=12.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=69.7%, 4=14.9%, 10=1.0%, 20=0.1%, 50=0.5%, 100=1.1%
     lat (msec): 250=9.5%, 500=2.9%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=3004
  read : io=100MiB, bw=6,259KiB/s, runt= 16752msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  329, avg=16.89, stdev=39.82
    bw (KiB/s) : min=   20, max=43562, per=127.09%, avg=17301.70, stdev=16655.85
  write: io=96,080KiB, bw=7,134KiB/s, runt= 13791msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  118, avg= 1.59, stdev= 7.24
    bw (KiB/s) : min=    0, max=60858, per=147.37%, avg=29053.40, stdev=30557.98
  cpu          : usr=12.20%, sys=5.73%, ctx=6188
  IO depths    : 1=1.4%, 2=62.2%, 4=27.6%, 8=8.8%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=45.5%, 4=22.7%, 10=22.5%, 20=2.9%, 50=0.5%, 100=1.3%
     lat (msec): 250=4.4%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=218MiB, aggrb=13,614KiB/s, minb=0KiB/s, maxb=6,293KiB/s, mint=16752msec, maxt=16752msec
  WRITE: io=259MiB, aggrb=19,714KiB/s, minb=0KiB/s, maxb=7,134KiB/s, mint=16752msec, maxt=16752msec

Disk stats (read/write):
  cciss!c0d0: ios=4167/3695, merge=1058/62600, ticks=38684/1643376, in_queue=1682220, util=95.53%
5.24user 2.23system 0:17.07elapsed 43%CPU (0avgtext+0avgdata 0maxresident)k
511672inputs+531216outputs (0major+2458minor)pagefaults 0swaps